n., pl., oquassa, or -sas.
A freshwater trout (Salvelinus oquassa) found in the Rangeley Lakes in western Maine.
[After Lake Oquassa, a lake of western Maine.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
